The author, Pilar Pont Geis, is a Doctor in Physical Activity Sciences who specializes in Third Age.
Pilar Senpau (Lleida, 1955) is a doctor of medicine and surgery and specialises in dietetics. In addition to her medical consultancy, she also collaborates on TV3, BTV, COM Ràdio, catalunya Ràdio, La Vanguardia and the the magazine Mente Sana. She has published Aprende a aprimar-se (2005), Fruits de la vida (2006), Aliments que fan bategar el cor (2007) and Roons de pes (2009). She was recently awarded the Románico d'Or prize 2010 for her work on of healthy diet.
Pilar Tomás works in the area of cultural management. She co-edited the Catalogue of Music Manuscripts of National Heritage and the Catalogue of Chants of the Catedral Primada de Toledo.
Pilar Velasco studied IT at the Universidad Complutense. Since 2007 she has worked as an investigative journalist for Channel Ser. In 2005 she published her book 'Jóvenes, aunque sobradamente cabreados', a report on the political awakening of the Spanish youth during the years of absolute majority of the Partido Popular (PP) until the electoral change of 2004.